What is the definition of pH? - pH = -log [H+], How do you calculate [H+] from pH? - [H+] = 10-pH, What is the equation for the ionic product of water? - Kw = [H+][OH-], What is the Bronsted-Lowry definition of an acid? - A proton donor, What is the Bronsted Lowry definition of a base? - A proton acceptor, What is the definition of an acid-base reaction? - A reaction that involves protein transfer, What is the formula of the oxonium ion? - H3O+, Describe the bonding in the oxonium ion - Two covalent bonds and one coordinate bond, What is the formula for the acid dissociation constant, Ka, for the acid HA?? - Ka = [H+][A-]/[HA], Give the difference between a strong and a weak acid - Strong acids fully dissociate in water. Weak acids only partially dissociate., What is the formula for calculating the [H+] of a weak acid? - [H+] = √ [HA] Ka, What is the relationship between Ka and pKa? - Ka = 10-pKa, What is the equation we use to calculate the concentration after dilution? - c1v1 = c2v2, What are the two assumptions one makes when calculating the pH of a weak acid? - The amount of HA at equilibrium is equal to the amount of HA put into the solution and [H+]= [A-], How can we modify the Ka expression to calculate [H+] in a solution of a weak acid? - Ka = [H+]2/[HA],
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pH
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Smcdougall3
KS5
Chemistry
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